CN203400729U - High tower anion and cation resin separation conductance interface detecting device - Google Patents
High tower anion and cation resin separation conductance interface detecting device Download PDFInfo
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- CN203400729U CN203400729U CN201320480131.5U CN201320480131U CN203400729U CN 203400729 U CN203400729 U CN 203400729U CN 201320480131 U CN201320480131 U CN 201320480131U CN 203400729 U CN203400729 U CN 203400729U
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- resin
- electrical conductivity
- tower
- detecting device
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Abstract
The utility model discloses a high tower anion and cation resin separation conductance interface detecting device. The detecting device comprises a carbon dioxide gas cylinder. The output end of the carbon dioxide gas cylinder is connected with one end of a stop valve, the other end of the stop valve is divided into two paths, one path is connected with a cation resin output pipe through a first electromagnetic valve, and the other path is connected with an anion resin output pipe through a second electromagnetic valve, wherein the cation resin output pipe is arranged in the middle of a resin separation tower, and the anion resin output pipe is arranged at the bottom of the resin separation tower. The detecting device further comprises a first conductivity meter and a second conductivity meter, the probe detecting end of the first conductivity meter and the probe detecting end of the second conductivity meter are installed on the cation resin output pipe and the anion resin output pipe respectively, and both the signal output end of the first conductivity meter and the signal output end of the second conductivity meter are connected with the input end of a control PLC cabinet. The detecting device is high in detecting accuracy and effectively reduces mixed lipid layer losses in the separation process.
Description
Technical field
The utility model relates to the separated electricity of a kind of high tower yin and yang resin and leads interface checkout gear, for the separation process of high tower yin and yang resin, by electricity, leads judgement resin transfer situation.
Background technology
In high tower yin and yang resin separating technology, condensate fine is processed and is comprised mixed-bed system and regenerative system, and regenerative system generally adopts external regeneration system.Large (the about 1.15m of the mixed fat amount of high tower method resin
3), resin utilization rate is relatively low, once the volume of resin and ratio change in mixed bed, knockout tower negative resin is sent position of opening and will be changed, and affects resin isolation.
High tower method claims again complete partition method (fullsep), and capital equipment is comprised of knockout tower (SPT), negative resin regenerator (ART), the positive resin regeneration storage tower (CRT) of holding concurrently.The nucleus equipment of high tower method is knockout tower, its top is inverted cone section, bottom is direct tube section, in the time of can guaranteeing resin backwash, there are enough spaces, be convenient to yin and yang resin layering, visor on knockout tower is respectively backwash peep hole, resin backwash layering interfaces peep hole, positive resin transfer peep hole from top to bottom, and photoelectric probe or stuff level switch are arranged on the peep-hole of below.
Its resin isolation process is summarized as follows: in precision processing mixed bed, exhausted resin is admitted in knockout tower, with high-velocity flow from knockout tower bottom by resin bed holder to top collecting region, then reduce water flow velocity, Zhiyang resin critical dropping velocity, maintain a period of time, make most of positive pitch to the boundary of inverted cone section and direct tube section, then reduce water velocity, positive resin settled is got off; Continue to reduce water flow velocity to negative resin critical dropping velocity, maintain a period of time, make pitch, then reduce water flow velocity, negative resin is settled down, this step is also referred to as the first separation of resin.After first separation finishes, the negative resin on knockout tower top is passed through to the water intake valve of knockout tower top and bottom, the negative resin on knockout tower top is delivered to negative resin regenerator, from bottom water intake valve, resin is carried out to secondary backwash layering again, the complete bottom resin outlet valve of opening after resin settled of layering, is delivered to Yang Shuzhizaishengta by the positive resin of knockout tower bottom by waterpower.
In this process, be arranged on the appearance that photoelectric detection probe on visor or stuff level switch can detect yin and yang resin interface in knockout tower.As used Photoelectric Detection, photoelectric probe is arranged on the sight glass of knockout tower bottom, position apart from approximately 0.9 meter of knockout tower bottom (mixed fat floor height), once resin drops to below photoelectric probe, because the light wave of resin reflection is different from the light wave of water termination reflection, will trigger photoelectric probe effect, program will enter next step order automatically, sun resin transfer process comes to an end, and the negative and positive hybrid resin of staying in knockout tower will participate in the separation regeneration of exhausted resin next time.As used stuff level switch, stuff level switch drops to approximately 0.9 meter of at resin floor height, switch motion, and program enters next step order automatically.
This separation process can repeat, and to guarantee the thorough separation of positive and negative resin, key is to control suitable flow velocity and can make the positive and negative resin critical speed of sedimentation respectively.The critical dropping velocity of resin measuring in advance, but generally determine in debug process according to site specific, whole process can be completed automatically by program, discharge and being controlled by control valve by the flow of knockout tower bottom.
The program of resin transfer is first to carry negative resin, and the delivery port of negative resin is positioned at mixed fat layer top, to leave certain negative resin as hybrid resin layer.Carry positive resin, positive resin is sent to positive resin regeneration tank by the Yang Shuzhishusongkou of knockout tower bottom again, and the course of conveying of positive resin is controlled interface by the photoelectric detection system or the stuff level switch that are positioned on knockout tower sidewall.
From above step order, in negative resin course of conveying, can only set negative resin by the calculating of well in advance and send mouth; In positive resin transfer process, can only judge to control by stuff level switch or Photoelectric Detection the conveying of yin and yang resin.The defect that this method exists is not directly perceived, inconvenient operation.How effectively to improve yin and yang resin separation rate, be those skilled in the art's difficult problems urgently to be resolved hurrily always.
Summary of the invention
The purpose of this utility model is to overcome the existing deficiency of prior art, and the separated electricity of high tower yin and yang resin that provide that a kind of applicability is wide, reliability is strong, detection accuracy is high, can effectively reduce mixed fat layer loss in separation process is led interface checkout gear.
For achieving the above object, the designed separated electricity of high tower yin and yang resin of the utility model is led interface checkout gear, it comprises dioxide bottle, its special character is: the output of described dioxide bottle is connected with one end of stop valve, the other end of described stop valve is divided into two-way: first magnetic valve of leading up to is connected with the negative resin efferent duct that is arranged on resin separation tower middle part, and second magnetic valve of separately leading up to is connected with the positive resin efferent duct that is arranged on resin isolation tower bottom; It also comprises the first electrical conductivity table and the second electrical conductivity table, the probe test side of described the first electrical conductivity table and the second electrical conductivity table is arranged on respectively on negative resin efferent duct and positive resin efferent duct, and the signal output part of described the first electrical conductivity table and the second electrical conductivity table is connected with control PLC cabinet.
Operation principle of the present utility model is such: electrical conductivity of water when the first electrical conductivity table adopting and the second electrical conductivity table can be monitored in real time and carry resin in respective line, thus judge in time whether negative resin and positive resin are carried completely.In the situation that not considering the compensation of electrical conductivity table probe temperature, the output signal of electrical conductivity 4 ~ 20mA that table sends, roughly corresponding with the electrical conductivity of 0 ~ 50us/cm.In resin transfer process, send positive resin after first sending negative resin.Adopt dioxide bottle to negative resin or the positive resin output of resin separation tower, to pass into CO respectively
2gas, controls CO
2approximately 25 liters/min of flows, CO
2after entering in water, gas can there is following reaction:
CO
2+H
2O=H
++HCO
3 -；
ROH+HCO
3 -=RHCO
3+ OH
-, its ROH represents negative resin;
H
++OH
-=H
2O；
In above-mentioned chemical reaction, CO
2the HCO generating after incorporating in water
3 -can make electrical conductivity of water increase, but negative resin can absorb the HCO in water
3 -ion, therefore electricity is led lower when negative resin is carried; When positive resin transfer, because positive resin does not absorb the HCO in water
3 -thereby, the electrical conductivity in water is raise, at device, detect after the sudden change curve of electrical conductivity, can judge the appearance of resin boundary surface, thereby identification negative resin has been carried complete.Otherwise in positive resin transfer process, electrical conductivity can reduce suddenly when being transported to mixed fat bed boundary, thereby judges that positive resin transfer process finishes.
The utlity model has the advantage of following several respects: one, by the variation automatic decision resin transfer situation of electrical conductivity, reliability is strong, effectively improves resin isolation rate.Its two, in the situation that resin volume or ratio change, can not affect the automatic operating of whole high tower method regenerative system yet.Its three, the liquid level that can replace the original design of high tower method detects.Its four, at yin and yang resin output, electricity is set and leads interface checkout gear, can suitably reduce mixed fat layer, improve resin utilization rate.
Accompanying drawing explanation
Fig. 1 is the structural representation that the separated electricity of a kind of high tower yin and yang resin is led interface checkout gear.
The specific embodiment
Below in conjunction with accompanying drawing and concrete enforcement, the utility model is described in further detail.
The separated electricity of high tower yin and yang resin shown in figure is led interface checkout gear, mainly parts such as dioxide bottle 2, the first electrical conductivity tables 5 and the second electrical conductivity table 7, control PLC cabinets 8, consists of.The output of dioxide bottle 2 is connected with one end of stop valve 3, the other end of stop valve 3 is divided into two-way: first magnetic valve 4 of leading up to is connected with the negative resin efferent duct 9 that is arranged on resin separation tower 1 middle part, and second magnetic valve 6 of separately leading up to is connected with the positive resin efferent duct 10 that is arranged on resin separation tower 1 bottom.The bore of above-mentioned the first magnetic valve 4, the second magnetic valve 6 and stop valve 3 is 6mm, so that smooth delivery of power carbon dioxide.For installing space around adapting to resin separation tower 1 may have the situation of talking in a roundabout way, above-mentioned the first magnetic valve 4 is arranged in the connecting hose between stop valve 3 and negative resin efferent duct 9, and the second magnetic valve 6 is arranged in the connecting hose between stop valve 3 and positive resin efferent duct 10.
The probe test side of above-mentioned the first electrical conductivity table 5 and the second electrical conductivity table 7 is plugged on respectively on negative resin efferent duct 9 and positive resin efferent duct 10, and the signal output part of the first electrical conductivity table 5 and the second electrical conductivity table 7 is all connected with control PLC cabinet 8.
When the utility model is used, yin and yang resin is after the interior backwash layering of resin separation tower 1, first from resin separation tower 1 top, pump negative resin, carry after a period of time, open the first magnetic valve 4, by dioxide bottle 2, to negative resin carrier pipe 9 injecting carbon dioxide gases, by the first electrical conductivity table 5, measure its conductivity value, carry signal to control PLC cabinet 8, judge whether negative resin is carried complete.Negative resin is closed the first magnetic valve 4 after carrying.
Then from resin separation tower 1 bottom, pump positive resin, carry after a period of time, open the second magnetic valve 6, by dioxide bottle 2 resin transfer pipe 10 injecting carbon dioxide gases on the sunny side, by the second electrical conductivity table 7, measure its conductivity value, carry signal to control PLC cabinet 8, judge whether positive resin is carried complete.After sun resin transfer, close the second magnetic valve 6.
Claims (3)
1. the separated electricity of high tower yin and yang resin is led interface checkout gear, it comprises dioxide bottle (2), it is characterized in that: the output of described dioxide bottle (2) is connected with one end of stop valve (3), the other end of described stop valve (3) is divided into two-way: the first magnetic valve (4) of leading up to is connected with the negative resin efferent duct (9) that is arranged on resin separation tower (1) middle part, and the second magnetic valve (6) of separately leading up to is connected with the positive resin efferent duct (10) that is arranged on resin separation tower (1) bottom; It also comprises the first electrical conductivity table (5) and the second electrical conductivity table (7), the probe test side of described the first electrical conductivity table (5) and the second electrical conductivity table (7) is arranged on respectively negative resin efferent duct (9) and positive resin efferent duct (10) is upper, and the signal output part of described the first electrical conductivity table (5) and the second electrical conductivity table (7) is all connected with the input of control PLC cabinet (8).
2. the separated electricity of high tower yin and yang resin according to claim 1 is led interface checkout gear, it is characterized in that: described the first magnetic valve (4) is arranged in the connecting hose between stop valve (3) and negative resin efferent duct (9), and described the second magnetic valve (6) is arranged in the connecting hose between stop valve (3) and positive resin efferent duct (10).
3. the separated electricity of high tower yin and yang resin according to claim 1 and 2 is led interface checkout gear, it is characterized in that: the bore of described the first magnetic valve (4), the second magnetic valve (6) and stop valve (3) is 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480131.5U CN203400729U (en) | 2013-08-07 | 2013-08-07 | High tower anion and cation resin separation conductance interface detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480131.5U CN203400729U (en) | 2013-08-07 | 2013-08-07 | High tower anion and cation resin separation conductance interface detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203400729U true CN203400729U (en) | 2014-01-22 |
Family
ID=49936672
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320480131.5U Expired - Lifetime CN203400729U (en) | 2013-08-07 | 2013-08-07 | High tower anion and cation resin separation conductance interface detecting device |
Country Status (1)
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| CN (1) | CN203400729U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060402A (en) * | 2015-07-02 | 2015-11-18 | 杭州安耐杰科技有限公司 | Simulation system for ion exchange optimization |
| CN106017611A (en) * | 2016-07-26 | 2016-10-12 | 浙江海盐力源环保科技股份有限公司 | Separation tower resin interface intelligent monitoring system and high-tower method resin analysis method |
| CN106017382A (en) * | 2016-05-12 | 2016-10-12 | 西安热工研究院有限公司 | Ion exchanger resin height measuring device and ion exchanger resin height measuring method |
-
2013
- 2013-08-07 CN CN201320480131.5U patent/CN203400729U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060402A (en) * | 2015-07-02 | 2015-11-18 | 杭州安耐杰科技有限公司 | Simulation system for ion exchange optimization |
| CN105060402B (en) * | 2015-07-02 | 2017-12-22 | 浙江安耐杰科技股份有限公司 | A kind of simulation system for optimizing ion exchange |
| CN106017382A (en) * | 2016-05-12 | 2016-10-12 | 西安热工研究院有限公司 | Ion exchanger resin height measuring device and ion exchanger resin height measuring method |
| CN106017382B (en) * | 2016-05-12 | 2018-10-26 | 西安热工研究院有限公司 | A kind of measuring device and method of ion-exchanger resin height |
| CN106017611A (en) * | 2016-07-26 | 2016-10-12 | 浙江海盐力源环保科技股份有限公司 | Separation tower resin interface intelligent monitoring system and high-tower method resin analysis method |
| CN106017611B (en) * | 2016-07-26 | 2022-08-26 | 浙江海盐力源环保科技股份有限公司 | High tower method resin analysis method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |